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Side-by-side: what they do, what they cost, what Kai actually thinks. Pass up to 4 tools via ?tools=claude,chatgpt,gemini.
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Gamma
A
HeyGen
S
Fireflies
A
TaglineAI slide decks that don't look AI-generated.AI avatar videos. Record once, speak any language.Sales-focused meeting AI with CRM integration.
CategoryProductivityVideoMeetings
PricingFree + $10-$20/moFree + $24-$65/moFree + $10-$19/user/mo
Best forPitch decks, proposals, internal presentations — fast.Course creators, multilingual marketers, anyone scaling video content.Sales teams, customer success, anyone running many discovery calls.
Strengths
  • Strong templates
  • Decks, docs, webpages
  • Doesn't look generic
  • Clone your face + voice in 2 minutes
  • Instant translation into 40+ languages with lip sync
  • Avatars look less uncanny than competitors
  • Good CRM integrations (Salesforce, HubSpot)
  • Talk-time + sentiment analytics
  • Call scoring
Weaknesses
  • Locked into Gamma's format
  • Export quality varies
  • Pricey for serious volume
  • Long shots still feel off
  • Ethics — easy to misuse
  • Bot-joins (intrusive)
  • Gets expensive at team scale
Kai's verdictA-tier. Best of a boring category. Use it for first drafts, then edit in Keynote if high-stakes.S-tier for multilingual video. If you sell courses or speak at events, this is a cheat code.A-tier for sales teams. B-tier for solo users.
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